--- pcc_history.mdwn 2010/04/25 16:56:30 1.23 +++ pcc_history.mdwn 2010/04/28 00:36:16 1.24 @@ -1,15 +1,2 @@ -The compiler is based on the original Portable C Compiler by Stephen C. Johnson, written in the late 70's. Even though much of the compiler has been rewritten, some of the basics still remain. -PCC debuted in Unix Version 7 and replaced the DMR compiler (Dennis Ritchie's original C compiler) in both System V and the BSD 4.x releases. - -Some history about pcc is in the [A History of UNIX before Berkeley: UNIX Evolution: 1975-1984](http://www.darwinsys.com/history/hist.html) and in the [Evolution of C](http://www.faqs.org/docs/artu/c_evolution.html). - -A copy of S. C. Johnson's and Donn Seeley's 1978 ``A Tour Through the Portable C Compiler'' is available in [HTML](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.html), -[Postscript](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.ps.gz) or [PDF](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.pdf). (For current pcc internal documentation, see the [[internals]] wiki page.) - -About 50% of the frontend code and 80% of the [[backend|internals]] code has been rewritten. Most stuff is written by Anders Magnusson, with the exception of the data-flow analysis part and the SSA conversion code which is written by Peter A Jonsson, and the Mips port that were written as part of a project by undergraduate students at Luleaa University of Technology (LTU). - -It was publicly announced to the NetBSD community on September 14, 2007. Shortly later it was -imported to the OpenBSD, NetBSD, and pkgsrc source trees. - -On January 27, 2008, the version was increased to 0.9.9 as pcc supported C99 language constructs. +fall in problem in resume go [resume|http://www.essaydot.com] \ No newline at end of file
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